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Measuring filter shape factor
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January 12th 06, 03:03 AM posted to rec.radio.shortwave
David
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Measuring filter shape factor
On 11 Jan 2006 17:23:37 -0800,
wrote:
At the time I did my test, I had a "hole" in my generators. The audio
gear went as high as 100k, and the RF gear went as low at 1Mhz, but the
IF was 455Khz. Hence I tested the whole audio path.
The impedances in the radio itself will effect the performance of the
filter, so there is something to be said for in-situ measurements.
Oh yeah, note that Abramoff didn't donate any money to the Democrats.
Read Rich Lowrie's latest editorial at National Review Online.
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